Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Apr
Thu
17 Apr
Fri
18 Apr
Sat
19 Apr
Sun
20 Apr
Mon
21 Apr
Tue
22 Apr
Real-time AQI (Monitoring Station in Yichun)
中心医院
186
PM2.5
18
PM10
56
O3
0.3
CO
5
SO2
7
NO2
林管局
2814
PM2.5
28
PM10
71
O3
0.7
CO
3
SO2
6
NO2
汤旺河国家公园
253
PM2.5
6
PM10
80
O3
0.4
CO
4
SO2
8
NO2
美溪镇
2416
PM2.5
16
PM10
75
O3
0.8
CO
3
SO2
7
NO2
Air quality in the last 12 months (Yichun)
|
2025/02
|
60
|
69
|
53
|
40
|
33
|
34
|
38
|
24
|
34
|
52
|
42
|
54
|
67
|
49
|
45
|
24
|
25
|
23
|
25
|
25
|
25
|
24
|
31
|
42
|
56
|
31
|
41
|
45
|
|||
|
2025/01
|
75
|
87
|
84
|
101
|
60
|
61
|
85
|
35
|
40
|
53
|
72
|
78
|
86
|
89
|
63
|
43
|
45
|
59
|
71
|
48
|
56
|
51
|
65
|
80
|
65
|
53
|
39
|
67
|
64
|
44
|
55
|
|
2024/12
|
39
|
35
|
34
|
32
|
28
|
29
|
43
|
43
|
55
|
59
|
51
|
46
|
43
|
60
|
51
|
36
|
35
|
35
|
52
|
60
|
44
|
56
|
44
|
59
|
55
|
33
|
47
|
63
|
70
|
60
|
56
|
|
2024/11
|
38
|
21
|
27
|
21
|
20
|
22
|
28
|
36
|
50
|
50
|
44
|
30
|
41
|
96
|
60
|
41
|
21
|
22
|
53
|
63
|
54
|
31
|
29
|
36
|
34
|
32
|
33
|
36
|
36
|
24
|
|
|
2024/10
|
18
|
27
|
33
|
31
|
43
|
27
|
33
|
43
|
40
|
36
|
25
|
23
|
26
|
41
|
18
|
23
|
32
|
30
|
19
|
59
|
30
|
37
|
23
|
33
|
41
|
27
|
36
|
71
|
67
|
46
|
53
|
|
2024/09
|
16
|
19
|
19
|
21
|
17
|
19
|
23
|
21
|
21
|
23
|
21
|
22
|
18
|
22
|
23
|
25
|
24
|
29
|
20
|
20
|
20
|
22
|
30
|
27
|
19
|
19
|
24
|
26
|
32
|
24
|
|
|
2024/08
|
17
|
17
|
17
|
16
|
16
|
18
|
20
|
19
|
21
|
22
|
14
|
14
|
17
|
18
|
21
|
22
|
20
|
17
|
16
|
18
|
18
|
17
|
20
|
19
|
19
|
17
|
18
|
16
|
21
|
15
|
16
|
|
2024/07
|
62
|
44
|
54
|
59
|
60
|
58
|
68
|
71
|
63
|
46
|
55
|
87
|
56
|
47
|
48
|
50
|
40
|
25
|
26
|
26
|
16
|
15
|
16
|
18
|
18
|
14
|
13
|
17
|
17
|
15
|
18
|
|
2024/06
|
16
|
17
|
20
|
17
|
20
|
26
|
36
|
22
|
17
|
18
|
17
|
18
|
18
|
14
|
12
|
14
|
16
|
18
|
19
|
16
|
16
|
18
|
16
|
16
|
18
|
20
|
20
|
41
|
33
|
56
|
|
|
2024/05
|
45
|
49
|
27
|
67
|
83
|
50
|
33
|
40
|
25
|
25
|
18
|
23
|
23
|
22
|
16
|
18
|
30
|
31
|
20
|
27
|
29
|
28
|
16
|
18
|
19
|
23
|
19
|
22
|
17
|
17
|
19
|
|
2024/04
|
19
|
37
|
40
|
22
|
38
|
48
|
23
|
23
|
36
|
77
|
82
|
76
|
65
|
56
|
50
|
30
|
20
|
26
|
16
|
27
|
78
|
71
|
55
|
75
|
52
|
27
|
21
|
19
|
23
|
38
|
|
|
2024/03
|
24
|
29
|
36
|
38
|
34
|
30
|
35
|
25
|
28
|
46
|
43
|
25
|
33
|
40
|
26
|
19
|
21
|
26
|
24
|
24
|
24
|
24
|
34
|
21
|
23
|
28
|
30
|
193
|
47
|
24
|
18
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
*: primary pollution